function http(method, remote, callback, body) {
   var xmlhttp = new XMLHttpRequest();
   xmlhttp.onreadystatechange = function() {
      if (xmlhttp.readyState == XMLHttpRequest.DONE) {   // XMLHttpRequest.DONE == 4
         callback(xmlhttp.responseText, xmlhttp.status)
      }
   };
   xmlhttp.open(method, remote, true);
   if (typeof body == "undefined") {
      body = null
   }
   xmlhttp.send(body);
}

function populate_schedule(csv, status_code) {
   console.log("status_code", status_code)
   csv = csv.split("\n")
   var first = true;
   var table = "";
   for (var i in csv) {
      table += "<tr>\n"
      i = csv[i].split('","')
      for (var j in i) {
         j = i[j]
         j = j.replace(/(^"|"$)/g, "")
         table += first ? "<th>" : "<td>"
         table += j
         table += first ? "</th>" : "</td>"
      }
      table += "</tr>\n"
      first = false;
   }
   document.getElementById("schedule").innerHTML = table
}

var cors_anywhere = "https://cors-anywhere.herokuapp.com"
var google_doc_pre = "https://docs.google.com/spreadsheets/d/"
var google_doc_id = "14F7zRrwGT6JkCeZqZLPM2r2GScrm9FLFxlPtDINbNWg"
var google_doc_post = "/gviz/tq?tqx=out:csv"
   //"https://www.googleapis.com/drive/v3/files/14F7zRrwGT6JkCeZqZLPM2r2GScrm9FLFxlPtDINbNWg/export?mimeType=text/csv&key=AIzaSyCFIWSe7vBnZ-1KRR9yVMbCPW08oCOHRJI",

http(
   "get",
   `${cors_anywhere}/${google_doc_pre}/${google_doc_id}/${google_doc_post}`,
   populate_schedule,
   JSON.stringify({"cc": "cc"}),
)